Home / 8,742,362.40-13,113,543.60-6,616,598.40

Finding the Fourth Proportional to 8,742,362.40, 13,113,543.60 and 6,616,598.40

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Solution

The fourth proportional to 8,742,362.40, 13,113,543.60 and 6,616,598.40 is: 9,924,897.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    8,742,362.40 : 13,113,543.60 = 6,616,598.40 : x
  2. Step 2: Convert to fraction form
    8,742,362.40/13,113,543.60 = 6,616,598.40/x
  3. Step 3: Cross multiply
    8,742,362.40x = 13,113,543.60 × 6,616,598.40
  4. Step 4: Simplify right side
    8,742,362.40x = 86,767,051,602,090.25
  5. Step 5: Solve for x
    x = 86,767,051,602,090.25/8,742,362.40
  6. Step 6: Final answer
    x = 9,924,897.60

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.